
English Electric at Vulcan Foundry
English Electric Deltic
British Rail Class 55
England · 1961
Specification
| Class | British Rail Class 55 |
|---|---|
| Nicknames | Class 55, Deltic, 55022 |
| Builder | English Electric at Vulcan Foundry |
| Year introduced | 1961 |
| Country built | England |
| Region | Britain |
| Operators | British Railways Eastern and Scottish Regions |
| Era | Dieselisation |
| Motive power | Diesel |
| Role | Express |
| UIC | Co′Co′ |
| Wheel arrangement | Co-Co |
| Gauge | 1,435 mm — standard gauge |
| Quantity built | 22 |
| Power | 3,300 hp from two Napier Deltic D18-25 engines |
| Tractive effort | 50,000 lbf |
| Top speed | 161 km/h · 100 mph |
| Weight | 99 to 106 long tons |
| Length | 69 ft 6 in |
| Status | Operational heritage |